First Diagram:
- Nephron = The functional unit of the kidney, the part that does the filtration and controlling of the composition of blood
- Pelvic region - where the urine collects and drains down the Ureter
- There are different colours because the kidney is made up of millions of tubular structure
- The tube starts on the edge of the medulla and moves directly upwards and out into the cortex. It winds and then dips down into the medulla again and then up, there is another short twisted section and then a dead end.
- The dead end structure is known as the Bowman's capsule.
Second diagram:
- The tube is made up of twisted sections. Convoluted tubules.
- The tube at the bottom is known as the collecting duct.
- The dip is known as "the loop of Henle"
- The first twisted section = proximal (PCT)
- The second twisted section = distal (DCT)
- It is the arrangement of this nephron structure which gives the different coloured region in the kidney.
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